12936947 has 2 divisors, whose sum is σ = 12936948. Its totient is φ = 12936946.

The previous prime is 12936943. The next prime is 12936977. The reversal of 12936947 is 74963921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12936947 - 2² = 12936943 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12936943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468473 + 6468474.

It is an arithmetic number, because the mean of its divisors is an integer number (6468474).

Almost surely, 2^12936947 is an apocalyptic number.

12936947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936947 is an equidigital number, since it uses as much as digits as its factorization.

12936947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 12936947 is about 3596.7967693491. The cubic root of 12936947 is about 234.7527019763.

The spelling of 12936947 in words is "twelve million, nine hundred thirty-six thousand, nine hundred forty-seven".